**Discrete convexity in joint winner property.**[arXiv]

Yuni Iwamasa, Kazuo Murota, and Stanislav Živný.*Discrete Optimization*, to appear.**Beyond JWP: A tractable class of binary VCSPs via M-convex intersection.**

Hiroshi Hirai, Yuni Iwamasa, Kazuo Murota, and Stanislav Živný.*Proceedings of the 35th International Symposium on Theoretical Aspects of Computer Science (STACS'18)*, to appear.**The quadratic M-convexity testing problem.**[Journal Website] [arXiv]

Yuni Iwamasa.*Discrete Applied Mathematics*, to appear.*Proceedings of the 10th Japanese-Hungarian Symposium on Discrete Mathematics and Its Applications (JH'17)*, pp.247--256, 2017.**On a general framework for network representability in discrete optimization.**[Journal Website] [arXiv]

Yuni Iwamasa.*Journal of Combinatorial Optimization*, to appear.*Proceedings of the 4th International Symposium on Combinatorial Optimization (ISCO'16)*, LNCS 9849, pp.369--380, 2016.**On**[Journal Website] [arXiv]*k*-submodular relaxation.

Hiroshi Hirai and Yuni Iwamasa.*SIAM Journal on Discrete Mathematics*, 30(3):1726--1736, 2016.*Proceedings of the 9th Hungarian-Japanese Symposium on Discrete Mathematics and Its Applications (HJ'15)*, pp.331--335, 2015.**Threshold influence model for allocating advertising budgets.**

Atsushi Miyauchi, Yuni Iwamasa, Takuro Fukunaga, and Naonori Kakimura.*Proceedings of the 32nd International Conference on Machine Learning (ICML'15)*, pp.1395--1404, 2015.**Networks maximizing the consensus time of voter models.**[Journal Website]

Yuni Iwamasa and Naoki Masuda.*Physical Review E*, 90, 012816, 2014.

**A tractable class of binary VCSPs via M-convex intersection.**[arXiv]

Hiroshi Hirai, Yuni Iwamasa, Kazuo Murota, and Stanislav Živný.

// the full version of STACS'18 paper [6]

- Hiroshi Hirai, Yuni Iwamasa, Kazuo Murota, and Stanislav Živný.

**Beyond JWP: A tractable class of binary VCSPs via M-convex intersection.**

*The 35th International Symposium on Theoretical Aspects of Computer Science (STACS'18)*, Caen, France, February--March 2018. - Yuni Iwamasa, Kazuo Murota, and Stanislav Živný.

**Discrete convexity in joint winner property.**[poster]

*The 19th Conference on Integer Programming and Combinatorial Optimization (IPCO'17)*, Waterloo, Canada, June 2017.

// poster session - Yuni Iwamasa.

**The quadratic M-convexity testing problem.**[slide]

*The 10th Japanese-Hungarian Symposium on Discrete Mathematics and Its Applications (JH'17)*, Budapest, Hungary, May 2017. - Yuni Iwamasa.

**On a general framework for network representability in discrete optimization.**[slide]

*The 4th International Symposium on Combinatorial Optimization (ISCO'16)*, Salerno, Italy, May 2016. - Hiroshi Hirai and Yuni Iwamasa.

**On**[slide]*k*-submodular relaxation.

*The 9th Hungarian-Japanese Symposium on Discrete Mathematics and Its Applications (HJ'15)*, Fukuoka, Japan, June 2015.